Add KQL explanation

Author: schmurky

defender-xdr/advanced-hunting-security-copilot.md

@@ -39,7 +39,7 @@ appliesto:
 
 [Microsoft Security Copilot in Microsoft Defender](security-copilot-in-microsoft-365-defender.md) comes with a query assistant capability in advanced hunting.
 
-Threat hunters or security analysts who aren't yet familiar with or have yet to learn KQL can make a request or ask a question in natural language (for instance, *Get all alerts involving user admin123*). Security Copilot then generates a KQL query that corresponds to the request using the advanced hunting data schema.
+Threat hunters or security analysts who aren't yet familiar with or have yet to learn Kusto query language (KQL) can make a request or ask a question in natural language (for instance, *Get all alerts involving user admin123*). Security Copilot then generates a KQL query that corresponds to the request using the advanced hunting data schema.
 
 This feature reduces the time  it takes to write a hunting query from scratch so that threat hunters and security analysts can focus on hunting and investigating threats.
 
@@ -87,7 +87,7 @@ Users with access to Security Copilot have access to this capability in advanced
 
 
 > [!TIP]
-> Providing feedback is an important way to let the Security Copilot team know how well the query assistant was able to help in generating a useful KQL query. Feel free to articulate what could have made the query better, what adjustments you had to make before running the generated KQL query, or share the KQL query that you eventually used.
+> Providing feedback is an important way to let the Security Copilot team know how well the query assistant was able to help in generating a useful KQL query. Feel free to articulate what could make the query better, what adjustments you had to make before running the generated KQL query, or share the KQL query that you eventually used.
 
 
 > [!NOTE]